1264323073 has 8 divisors (see below), whose sum is σ = 1364686400. Its totient is φ = 1164403728.

The previous prime is 1264323059. The next prime is 1264323079. The reversal of 1264323073 is 3703234621.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1264323073 - 2²⁵ = 1230768641 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1264323079) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 105063 + ... + 116476.

It is an arithmetic number, because the mean of its divisors is an integer number (170585800).

Almost surely, 2^1264323073 is an apocalyptic number.

1264323073 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

1264323073 is a deficient number, since it is larger than the sum of its proper divisors (100363327).

1264323073 is a wasteful number, since it uses less digits than its factorization.

1264323073 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 221991.

The product of its (nonzero) digits is 18144, while the sum is 31.

The square root of 1264323073 is about 35557.3209480129. The cubic root of 1264323073 is about 1081.3161460509.

Adding to 1264323073 its reverse (3703234621), we get a palindrome (4967557694).

The spelling of 1264323073 in words is "one billion, two hundred sixty-four million, three hundred twenty-three thousand, seventy-three".